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https://gitee.com/moluo-tech/CodeBrick.git
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236 lines
6.7 KiB
C
236 lines
6.7 KiB
C
/******************************************************************************
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD>
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*
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* Copyright (c) 2015-2020, <master_roger@sina.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2015-06-09 Morro <20><><EFBFBD><EFBFBD>
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*
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* 2017-07-04 Morro <20>Ż<EFBFBD><C5BB>ֶηָ<D6B8><EEB4A6>
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*
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* 2020-07-05 Morro ʹ<><CAB9>cli_obj_t<5F><74><EFBFBD><EFBFBD>, ֧<>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
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******************************************************************************/
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#include "cli.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdbool.h>
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static const cmd_item_t cmd_tbl_start SECTION("cli.cmd.0") = {0};
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static const cmd_item_t cmd_tbl_end SECTION("cli.cmd.4") = {0};
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/*
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param[in] keyword - <20><><EFBFBD><EFBFBD><EFBFBD>ؼ<EFBFBD><D8BC><EFBFBD>
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* @return <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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static const cmd_item_t *find_cmd(const char *keyword)
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{
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const cmd_item_t *it;
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for (it = &cmd_tbl_start + 1; it < &cmd_tbl_end; it++) {
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if (!strcasecmp(keyword, it->name))
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return it;
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}
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return NULL;
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}
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/*******************************************************************************
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* @brief <20>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>ָ<EFBFBD> - <20><>Դ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>separatorָ<72><D6B8><EFBFBD>ķָ<C4B7><D6B8><EFBFBD>
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* (<28><>',')<29><><EFBFBD>滻<EFBFBD><E6BBBB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'\0'<27>γ<EFBFBD><CEB3>Ӵ<EFBFBD><D3B4><EFBFBD>ͬʱ<CDAC><CAB1>list
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* ָ<><D6B8><EFBFBD>б<EFBFBD><D0B1>е<EFBFBD>ÿһ<C3BF><D2BB>ָ<EFBFBD><D6B8><EFBFBD>ֱ<EFBFBD>ָ<EFBFBD><D6B8>һ<EFBFBD><D2BB><EFBFBD>Ӵ<EFBFBD>
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* @example
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* input=> s = "abc,123,456,,fb$"
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* separator = ",$"
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*
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* output=>s = abc'\0' 123'\0' 456'\0' '\0' fb'\0''\0'
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* list[0] = "abc"
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* list[1] = "123"
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* list[2] = "456"
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* list[3] = ""
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* list[4] = "fb"
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* list[5] = ""
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*
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* @param[in] str - Դ<>ַ<EFBFBD><D6B7><EFBFBD>
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* @param[in] separator - <20>ָ<EFBFBD><D6B8>ַ<EFBFBD><D6B7><EFBFBD>
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* @param[in] list - <20>ַ<EFBFBD><D6B7><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>б<EFBFBD>
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* @param[in] len - <20>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD>
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* @return listָ<74><D6B8><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>6
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******************************************************************************/
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static size_t strsplit(char *s, const char *separator, char *list[], size_t len)
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{
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size_t count = 0;
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if (s == NULL || list == NULL || len == 0)
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return 0;
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list[count++] = s;
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while(*s && count < len) {
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if (strchr(separator, *s) != NULL) {
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*s = '\0';
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list[count++] = s + 1; /*ָ<><D6B8><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>Ӵ<EFBFBD>*/
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}
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s++;
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}
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return count;
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}
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/*
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*@brief <20><>ӡһ<D3A1><D2BB><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD>̨
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*@retval
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*/
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static void cli_print(cli_obj_t *obj, const char *format, ...)
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{
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va_list args;
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int len;
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char buf[CLI_MAX_CMD_LEN + CLI_MAX_CMD_LEN / 2];
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va_start (args, format);
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len = vsnprintf (buf, sizeof(buf), format, args);
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obj->write(buf, len);
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}
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/*
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* @brief cli <20><>ʼ<EFBFBD><CABC>
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* @param[in] p - cli<6C><69><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
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* @return none
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*/
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void cli_init(cli_obj_t *obj, const cli_port_t *p)
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{
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obj->read = p->read;
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obj->write = p->write;
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obj->print = cli_print;
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obj->enable = true;
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}
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/*
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* @brief <20><><EFBFBD><EFBFBD>cli<6C><69><EFBFBD><EFBFBD>ģʽ(cli<6C><69>ʱ<EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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* @param[in] none
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* @return none
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**/
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void cli_enable(cli_obj_t *obj)
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{
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obj->enable = true;
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}
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/*
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* @brief <20>˳<EFBFBD>cli<6C><69><EFBFBD><EFBFBD>ģʽ(cli<6C><69>ʱ<EFBFBD><CAB1><EFBFBD>ٴ<EFBFBD><D9B4><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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* @param[in] none
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* @return none
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**/
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void cli_disable (cli_obj_t *obj)
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{
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obj->enable = false;
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}
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/*
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param[in] line - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @return none
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**/
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static void process_line(cli_obj_t *obj)
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{
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char *argv[CLI_MAX_ARGS];
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int argc;
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const cmd_item_t *it;
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argc = strsplit(obj->recvbuf, " ,",argv, CLI_MAX_ARGS);
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if ((it = find_cmd(argv[0])) == NULL) {
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obj->print(obj, "Unknown command '%s' - try 'help'\r\n", argv[0]);
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return;
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}
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it->handler(obj, argc, argv);
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}
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/*
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* @brief ִ<><D6B4>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD>cli<6C>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>)
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* @param[in] none
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* @return none
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**/
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void cli_exec_cmd(cli_obj_t *obj, const char *cmd)
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{
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snprintf(obj->recvbuf, CLI_MAX_CMD_LEN, "%s", cmd);
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process_line(obj);
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}
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/*
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param[in] none
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* @return none
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**/
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void cli_process(cli_obj_t *obj)
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{
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int i;
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if (!obj->read || !obj->enable)
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return;
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i = obj->recvcnt;
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obj->recvcnt += obj->read(&obj->recvbuf[i], CLI_MAX_CMD_LEN - i);
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while (i < obj->recvcnt) {
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if (obj->recvbuf[i] == '\r' || obj->recvbuf[i] == '\n') { /*<2A><>ȡ1<C8A1><31>*/
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obj->recvbuf[i] = '\0';
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process_line(obj);
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obj->recvcnt = 0;
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}
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i++;
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}
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}
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/*******************************************************************************
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD><EFBFBD>
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* @param[in] none
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* @return <20>ο<EFBFBD>strcmp
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*******************************************************************************/
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static int cmd_item_comparer(const void *item1,const void *item2)
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{
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cmd_item_t *it1 = *((cmd_item_t **)item1);
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cmd_item_t *it2 = *((cmd_item_t **)item2);
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return strcmp(it1->name, it2->name);
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}
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/*
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* @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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static int do_help (struct cli_obj *s, int argc, char *argv[])
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{
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int i,j, count;
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const cmd_item_t *item_start = &cmd_tbl_start + 1;
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const cmd_item_t *item_end = &cmd_tbl_end;
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const cmd_item_t *cmdtbl[CLI_MAX_CMDS];
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if (argc == 2) {
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if ((item_start = find_cmd(argv[1])) != NULL)
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{
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s->print(s, item_start->brief); /*<2A><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ϣ----*/
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s->print(s, "\r\n");
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}
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return 0;
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}
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for (i = 0; i < item_end - item_start && i < CLI_MAX_ARGS; i++)
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cmdtbl[i] = &item_start[i];
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count = i;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ---------------------------------------------------------*/
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qsort(cmdtbl, i, sizeof(cmd_item_t*), cmd_item_comparer);
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s->print(s, "\r\n");
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for (i = 0; i < count; i++) {
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s->print(s, cmdtbl[i]->name); /*<2A><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>------*/
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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j = strlen(cmdtbl[i]->name);
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if (j < 10)
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j = 10 - j;
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while (j--)
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s->print(s, " ");
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s->print(s, "- ");
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s->print(s, cmdtbl[i]->brief); /*<2A><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ϣ----*/
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s->print(s, "\r\n");
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}
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return 1;
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}
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/*ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ---------------------------------------------------------------*/
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cmd_register("help", do_help, "list all command.");
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cmd_register("?", do_help, "alias for 'help'");
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